Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Octahedral Body centered cubic Square planar Face centered cubic Octahedral Body centered cubic Square planar Face centered cubic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Potassium nitrate Aluminium hydroxide Sodium chloride Silver bromide Potassium nitrate Aluminium hydroxide Sodium chloride Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is fluorine sodium oxygen bromine fluorine sodium oxygen bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of organic debris Amount of oxygen used for biochemical reduction Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical oxidation Amount of organic debris Amount of oxygen used for biochemical reduction Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Polyurethane Teflon Polystyrene Metallic polysulphides Polyurethane Teflon Polystyrene Metallic polysulphides ANSWER DOWNLOAD EXAMIANS APP
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